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3 years ago

Please Answer this asap

Mathematics

2 answers:

Gnom [1K]3 years ago

7 0

It should be skewed left

faust18 [17]3 years ago

4 0

It’s skewed to the left

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Surface Area of Cylinder=2πrh+2πr2

Alex

Find the surface area when r is 8 inches and h is 8 inches.

$\qquad$ A. 160π in²

$\qquad$ B. 154π in²

$\qquad$ C. 288π in²

$\qquad$ D. 256π in² ☑

We are given –

$\qquad$ ⇢Radius of cylinder , r = 8 inches

$\qquad$ ⇢ Height of cylinder, h = 8 inches.

We are asked to find surface area of the given cylinder.

Formula to find the surface cylinder given by –

$\bf \star \pink{ Surface\: Area_{(Cylinder)} = 2\pi rh +2\pi r^2 }$

Now, Substitute given values –

$\sf \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2\pi rh +2\pi r^2$

$\sf \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2 \pi \times 8 \times 8 + 2\pi \times 8^2$

$\sf \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2 \pi \times 8^2 + 2\pi \times 8^2$

$\sf \twoheadrightarrow Surface\: Area_{(Cylinder)} = 2\pi \times 64 +2\pi \times 64$

$\sf \twoheadrightarrow Surface\: Area_{(Cylinder)} =128 \pi + 128\pi$

$\purple{\bf \twoheadrightarrow Surface\: Area_{(Cylinder)} = 256\pi \: in^2 }$

Henceforth,Option D is the correct answer.

8 0

2 years ago

Please help!! See the attachment, please!

topjm [15]

Answer:

$946$

Step-by-step explanation:

we know that

The formula to find the sum is equal to

$S=(a1+an)n/2$

where

a1 is the first term

an is the last term

n is the number of terms

In this problem we have

$n=11$

$a1=(98-2(1))=96$

$an=(98-2(11))=76$

substitute the values in the formula

$S=(96+76)(11/2)=946$

5 0

4 years ago

A cola company decides to test five different brands of soft drink. The different brands have been labeled F, G, H, I, and J. Th

Yuki888 [10]

The answer is B) 20

Because you have 5 brands and you combine each with the 4 others, so 5*4=20

8 0

3 years ago

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Niu earned $312 on an investment of $800. How much would $1100 have earned in the same

steposvetlana [31]

Answer:

429

Step-by-step explanation:

312/800 = .39

1100 x .39 = 429

5 0

3 years ago

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Answer this question you get 50 points

Sliva [168]

Answer:

Angle YXZ = (1/2) sum of the intercepted arcs

Angle YXZ = (1/2) (41 + 63)

Angle YXZ = (1/2) (104)

Anglw YXZ = 52 degrees

Step-by-step explanation:

6 0

4 years ago

Read 2 more answers